Portion of a razor cartridge



FIG. 1 is a top rear perspective view of the portion of a razor cartridge.

FIG. 2 is a rear view of the portion of a razor cartridge; and,

FIG. 3 is a top view of the portion of a razor cartridge.

The broken lines shown in the drawings illustrate portions of the article and form no part of the claimed design. 

The ornamental design for the portion of a razor cartridge, as shown and described. 